MIL-HDBK-134A
15 October 1965
4.1.6.2 Payload. Vehicle should be suitable in all respects for transporting, under all applicable
conditions of military service, the payload or mounted equipment specified in the Military Characteristics
Vehicles (MCV) sheets pertaining to the specific vehicle.
4.1.6.3 Mobility. Vehicle should be capable of operation over unimproved roads, the poorest type
trails, and open, rolling and hilly cross-country terrain in arctic temperature and tropic zones, through mud,
snow, and sand, and over prepared roads.
4.16.4 Speed. Vehicle should be capable of operating over applicable terrain at sustained speeds,
as specified in the MCV pertaining to the specific vehicle, for extended periods of time without damage.
(a) Vehicles should be capable of sustained maximum speed at an engine revolutions per
minute (rpm) which does not exceed the maximum recommended by the engine
manufacturer.
(b) Vehicles should be capable of sustained minimum speed at an engine rpm which does not
result in rough, irregular operation.
(c) Vehicles which accompany foot troops should be capable of operation at a minimum speed
of 2 1/2 miles per hour (mph).
4.1.6.5 Riding qualities. To the maximum extent compatible with other requirements, vehicle
should protect its load or mounted equipment from excessive shock and vibration resulting from uneven
terrain, from jolting, swaying, and rapid acceleration or deceleration during air, rail, or marine transport,
and from other causes.
4.1.6.6 Maneuverability. Vehicles should be capable of being maneuvered in minimum
practicable space without undue difficulty, and should have a minimum practicable turning radius and
clearance diameter.
4.1.6.7 Fording. Vehicle should be capable of shallow fording and, when specified in the
statement of characteristics for the specific vehicle, capable of deep fording in accordance with the
Department of the Army regulation specified in Special Regulation SR 705-125-10.
4.1.6.8 Slope operation. Vehicles should be capable of operating without stalling, slipping,
upsetting, or other undesirable effect, on ascending or descending longitudinal slopes up to 60 percent and
side slopes up to 20 percent, unless otherwise specified in the statement of characteristics for the specific
vehicle.
4.1.6.9. Braking. Truck or truck tractor, by application of service brakes, should be capable of
being safely held and controlled while ascending or descending a 60 percent incline. The brakes should
also be capable of bringing the truck or truck tractor, to a complete, safe stop on level roadway in the
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